CN105981216A - A user terminal device for interference limited scenarios - Google Patents
A user terminal device for interference limited scenarios Download PDFInfo
- Publication number
- CN105981216A CN105981216A CN201480075274.5A CN201480075274A CN105981216A CN 105981216 A CN105981216 A CN 105981216A CN 201480075274 A CN201480075274 A CN 201480075274A CN 105981216 A CN105981216 A CN 105981216A
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- CN
- China
- Prior art keywords
- antenna port
- antenna
- radio link
- link device
- subscriber terminal
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a user terminal device (1, 1') comprising a first and second antenna arrangement (2, 2'; 3) and a first and second radio chain arrangement (4, 5). The first antenna arrangement (2) comprises at least a first antenna element (6, 7; 16) and a firs tand second antenna port (8, 9).The second antenna arrangement (3) comprises a third and fourth antenna port (10, 11), a first polarized antenna element (12) arranged for transmitting and/or receiving signals at a first polarization (P1) via the third antenna port (10) and a second polarized antenna element (13) arranged for transmitting and/or receiving signals at a second polarization (P2) via the fourth antenna port (11). The polarizations (P1, P2) are mutually orthogonal in at least one direction. A first switching device (14) is arranged to connect the first radio chain arrangement (4) with either the first or third antenna port (8, 10), and a second switching device (15) is arranged to connect the second radio chain arrangement (5) with either the second or fourth antenna port (9, 11). The present invention also relates to a corresponding method.
Description
Technical field
The present invention relates to subscriber terminal equipment, subscriber terminal equipment include first antenna device,
Second antenna assembly, the first radio link device and the second radio link device.First
Antenna chain apparatus at least includes first antenna element, first antenna port and the second antenna
Port.
The invention still further relates to the side for subscriber equipment being adapted to detected communication performance
Method.
Background technology
In the future, wireless communication system can use less community and more dense deployment.This
By the sight line of the probability of increase that causes between base station and user terminal (Line-of-sight,
LOS) communicate and the interference level that increases.The wireless communication system of today is typically interference
Limited, and the interference that future is on level of noise may be higher.
Antenna for user terminal is generally designed to has high efficiency for a large amount of frequency bands,
That is, so-called multiband antenna.When for user terminal design multiband antenna, keeping effect
It is difficult for realizing the desired polarization for antenna mode while rate height.This means as
Fruit has two multiband antennas in the user terminal, and the polarization orthogonal between antenna is typically
The best.When user terminal is in the LOS of base station, due to low scattering, it is achieved
The more than one stream of each polarization is difficult.In this case, it is desirable to the most just have
Hand over the user terminal antenna of polarization.
Within a context, the long-term efficiency (term efficiency) at the antenna port of antenna
It is defined as 1-(S11)2, wherein S11It is the return loss (return at discussed antenna port
loss)。
It is therefore desirable to provide the subscriber terminal equipment used in a wireless communication system, this user
Terminal unit is arranged to provide institute for such as LOS and the different scenes of non-LOS scene
Desired function, the scattering in scene can be low or high.
Summary of the invention
It is an object of the present invention to provide subscriber terminal equipment, this subscriber terminal equipment is arranged to
Desired function is provided, scene for such as LOS and the different scenes of non-LOS scene
In scattering can be low or high.
Described target obtains by the way of subscriber terminal equipment.This subscriber terminal equipment bag
Include first antenna device, the second antenna assembly, the first radio link device and second wireless
Current source device.First antenna device include at least one antenna element, first antenna port,
With the second antenna port.Second antenna assembly include third antenna port, the 4th antenna port,
Arrange for sending and/or the first pole of reception signal with the first polarization via third antenna port
Change antenna element and arrange for via the 4th antenna port with second polarization send and/or
Receive the second poliarizing antenna element of signal.Polarization is mutually orthogonal at least one direction
's.Subscriber terminal equipment also includes the first switching equipment and the second switching equipment.First switching
Equipment is arranged to connect first antenna chain apparatus with first antenna port or third antenna port
Connect, and wherein the second switching equipment is arranged to the second antenna chain apparatus and the second antenna
Port or the 4th antenna port connect.
Described target is also by for making subscriber equipment adapt to the side of detected communication performance
The mode of method and obtain.The method comprises the following steps: by the first radio link device and
One antenna port or third antenna port connect；And by the second radio link device and second
Antenna port or the 4th antenna port connect.
First antenna port and the second antenna port are used in the first antenna dress at subscriber equipment
Put place, and third antenna port and the 4th antenna port are used in second at subscriber equipment
At antenna assembly.Second antenna assembly has for polarizing with first via third antenna port
Send and/or receive the first poliarizing antenna element of signal, and for via the 4th antenna end
Mouth sends with the second polarization and/or receives the second poliarizing antenna element of signal.It is polarized at least
It is mutually orthogonal on one direction.
It is dipole according to an example, the first poliarizing antenna element and the second poliarizing antenna element
The form of antenna.
According to another embodiment, the first poliarizing antenna element and the second poliarizing antenna element position
In common plane, and being perpendicular to this common plane, polarization is mutually orthogonal.
According to another example, it is arranged that frequency band carrying out operating at subscriber terminal equipment
Or at those frequency bands, sent via at first antenna port and the second antenna port with signal
And/or receive those polarization compare, signal is via third antenna port and the 4th antenna port
The polarization being sent and/or receiving has higher averaged orthogonality journey for all of propagation angle
Degree.
According to another example, depend on measured signal level, measured noise electricity
Flat, measured interference level and be known a priori by be connected to corresponding radio link
The relation between efficiency degree at those antenna ports of device, the first switch unit and
Two switch units are arranged to be connected to corresponding radio link device the antenna end of correspondence
Mouthful.
According to another example, the first switching equipment is arranged to: when at first antenna port
When the relation between interference level and noise level measured by place exceedes first threshold, from inciting somebody to action
First radio link device is connected with first antenna port and is switched to the first radio link equipment
It is connected with third antenna port.Correspondingly, the second switching equipment is arranged to: when second
The relation between interference level and noise level measured by antenna port exceedes Second Threshold
Time, from the second radio link device and the connection of the second antenna port are switched to second wireless
Current source equipment and the 4th antenna port connect.
According to another example, the first switching equipment is arranged to: when at third antenna port
The relation between interference level and noise level measured by place drops to below the 3rd threshold value
Time, from the first radio link device is connected with third antenna port be switched to first wireless
Current source device is connected with first antenna port.Correspondingly, the second switching equipment is arranged to:
The relation between interference level and noise level measured by the 4th antenna port declines
Time below the 4th threshold value, cut from the second radio link device and the 4th antenna port are connected
Change to connect the second radio link device and the second antenna port.
More example is disclosed in the dependent claims.
Many advantages are obtained by the way of the present invention.Mainly, interference-limited for experience
The ability of the user terminal of condition is increased.
Accompanying drawing explanation
Referring now to accompanying drawing, the present invention is described in more detail, wherein:
Fig. 1 shows schematically regarding of the first example of the subscriber terminal equipment according to the present invention
Figure, and；
Fig. 2 shows schematically regarding of the second example of the subscriber terminal equipment according to the present invention
Figure.
Detailed description of the invention
With reference to Fig. 1, there is subscriber terminal equipment 1, comprising: first antenna device 2, the
One radio link device 4 and the second radio link device 5.First antenna device 2 includes
First antenna element the 6, second antenna element 7, wherein these antenna element is designed to conduct
Multiband antenna works, and such as has so-called PIFA:s's (planar inverted F-antenna)
Form.First antenna element is connected to first antenna port 8 and the second antenna element 7
It is connected to the second antenna port 9.
First antenna port can be switchably connected to the first nothing by the first switching equipment 14
Line current source device 4, and the second antenna port can be changeable by the second switching equipment 15
Be connected to the second radio link device 5.
According to the present invention, subscriber terminal equipment 1 includes the second antenna assembly 3, itself so that include
Third antenna port the 10, the 4th antenna port 11, it is arranged for via third antenna port
10 with first polarization P1 send and/or receive signal the first poliarizing antenna elements 12 and
It is arranged for sending via the 4th antenna port 11 with the second polarization P2 and/or receiving letter
Number the second poliarizing antenna element 13.
P1, P2 are the most mutually orthogonal in polarization, in this example, and the first pole
Change antenna element 12 and the second poliarizing antenna element 13 has the dipole antenna being positioned at common plane
The form of line.Polarize mutually orthogonal, be perpendicular to described common plane.At subscriber terminal equipment 1
It is arranged at that frequency band or those frequency bands carrying out operating, with signal via first antenna end
Mouth 8 is compared with those polarization being sent and/or receiving at the second antenna port 9, signal warp
The polarization P1 that sent by third antenna port 10 and the 4th antenna port 11 and/or received,
P2 has higher averaged orthogonality degree for all propagation angle.Averaged orthogonality degree is determined
Justice becomes for angled just being calculated between the antenna diagram of different polarize P1, P2 of institute
The meansigma methods of the property handed over.
First dipole antenna has the first length L1 and is orthogonal to the first width of the first length L1
Spend W1, and the second dipole antenna 13 has the second length L2 and is orthogonal to the second length
The second width W2 of L2.
Third antenna port 10 can be switchably connected to the by the first switching equipment 14
One radio link device 4, and the 4th antenna port 11 can by the second switching equipment 15
It is switchably connected to the second radio link device 5.
The first switching equipment 14 that this means is arranged to inciting somebody to action as indicated by the first dotted line 18a
First radio link device 4 is connected with first antenna port 8, or such as the first solid line 19a
Indicated is connected with third antenna port 10.Additionally, the second switching equipment 15 is arranged
Become as indicated by the second dotted line 18b by the second radio link device 5 and the second antenna port 9
Connect, or being connected with the 4th antenna port 11 as indicated by the second solid line 19b.
In this illustration, first antenna port 8 and the second antenna port 9 or the 3rd day
Line cap 10 and the 4th antenna port 11 are connected to corresponding radio link device 4,5,
That is, switching equipment 14,15 enters via dotted line 18a, 18b or via solid line 19a, 19b
Row connects.In the first mode of operation, first antenna port 8 and the second antenna port 9 quilt
It is connected to corresponding radio link device 4,5, and in this second mode of operation, the 3rd day
Line cap 10 and the 4th antenna port 11 are connected to corresponding radio link device 4,5.
First operator scheme is used for existing the scene of high scattering environments, wherein interference level
In the case of relatively low less than noise level and/or the dependency between two antennas.
Second operator scheme is used for existing the scene of low scattering environments, it may be possible to user is eventually
LOS between end and base station, wherein interference level has exceeded noise level to a certain degree, dry
Disturb limited scene, and wherein being correlated with between first antenna port and the second antenna port
Property is of a relatively high.
More specifically, the sky in interference-limited scene, used in subscriber terminal equipment
The efficiency of line does not affect performance, as long as the efficiency of antenna does not drop to interference level and noise
Under difference between level.Such as, if there is the noise level ,-60dBm of-90dBm
If interference level and the efficiency of antenna be-20dB, then the interference on noise level
10dB will be remained, it means that the efficiency of antenna does not affect performance.
Within a context, long-term (term) efficiency at the antenna port of antenna is defined as
1-(S11)2, wherein S11It is the return loss at discussed antenna port.
Compared with the first antenna 6 of first antenna device 2 and the second antenna 7, two polarization
Antenna element 12,13 is likely to be of limited efficiency.This means at subscriber terminal equipment quilt
Arrange at that frequency band or those frequency bands carrying out operating, with third antenna port 10 and the 4th
Any one port in antenna port 11 is compared, first antenna port 8 and the second antenna end
Any one port in mouth 9 presents higher efficiency degree.
Therefore, only use under the interference scene much larger than noise two poliarizing antenna elements 12,
13 is important；Otherwise when being switched to these antenna, performance will be adversely affected.
Therefore, measured signal level, measured noise level, measured doing are depended on
Disturb level and be known a priori by be connected to that of corresponding radio link device 4,5
Efficiency degree at a little antenna ports 8,10 and 9,11, the first switching equipment 14 and second
Switching equipment 15 is arranged to be connected to corresponding radio link device 4,5 sky of correspondence
Line cap 8,10；9、11.
For this purpose, need calculate and compare noise and do at subscriber terminal equipment 1
The algorithm disturbed, this algorithm is suitable to realize in the way of one or more control units 17.With
Family terminal unit 1 can be arranged through using the measurement to reference signal to estimate noise
With both interference.Mainly the first antenna 6 of first antenna device 2 and the second antenna 7 it
Between dependency height in the case of, generally in the environment of low scattering, such as in LOS condition
Example in, it is preferred for being switched to poliarizing antenna element 12,13.This can such as pass through
Study the order of channel matrix and realize.
As the example being suitable to realize regarding in the way of described control unit of such process,
First check for whether received signal is interference-limited or noise limited.This should be excellent
Selection of land completes to increase the reliability measured in certain period of time.If subscriber terminal equipment 1
It is determined to be interference-limited, then the signal correlation between test antenna.This should be preferred
Ground completes to collect statistical result in certain period of time, and this will increase reliability.If
Signal correlation between first antenna 6 and second antenna 7 of first antenna device 2 is relative
Relatively low, and drop to below a certain threshold value, then subscriber terminal equipment 1 is arranged to switching
To two poliarizing antenna elements 12,13, i.e. from the first operator scheme to the second operator scheme.
After being switched to the second operator scheme, subscriber terminal equipment 1 is arranged to follow the tracks of to be done
Disturb and noise level and signal correlation.If interference level is less than noise level, or
If the dependency between two antennas drops under a certain threshold value, subscriber terminal equipment quilt
It is arranged to switch back to the first operator scheme.
Usually, the first switching equipment 14 is arranged to: when in first antenna port 8 place
When the interference level measured and the relation of noise level exceed first threshold, from wireless by first
Current source device 4 be connected with first antenna port 8 be switched to by the first radio link device 4 with
Third antenna port 10 connects.In the same way, the second switching equipment 15 is arranged to:
The relation between interference level and noise level measured by the second antenna port 9 surpasses
When crossing Second Threshold, cut from the second radio link device 5 is connected with the second antenna port 9
Change to be connected the second radio link device 5 with the 4th antenna port 11.
Correspondingly, the first switching equipment 14 is arranged to: when at third antenna port 10
When measured interference level and the relation of noise level drop below three threshold values, from inciting somebody to action
First radio link device 4 is connected with third antenna port 10 and is switched to the first radio link
Device 4 is connected with first antenna port 8.In the same way, the second switching equipment 15 quilt
It is arranged to: between interference level and the noise level measured by the 4th antenna port 11
Relation when dropping below four threshold values, from by the second radio link device 5 and the 4th day
Line cap 11 connection is switched to be connected the second radio link device 5 with the second antenna port 9.
Alternatively, if relevant between third antenna port 10 and the 4th antenna port 10
Property drops below a certain threshold value, then it is contemplated that all antenna ports 8,9；10,11
Various combination, in order to maintain the optimal function for current scene.
The efficiency of two poliarizing antenna elements 12,13 varies with frequency.Therefore, pole is used
Changing antenna element 12,13 is different for the interference-to-noise ratio needed for different frequencies.For
Solving this problem, subscriber terminal equipment 1 can possess efficiency is as two poles
Change the priori of the function of the frequency of antenna element 12,13.Alternatively, when the second behaviour
When being switched to poliarizing antenna element 12,13 in operation mode, subscriber terminal equipment 1 is arranged to
Record result.And use these statistical results to understand two poliarizing antenna elements 12,13
It is how to depend on frequency.
Fig. 2 shows the another type of first antenna device 2 ' of subscriber terminal equipment 1 '
Example.Here, first antenna device 2 ' still includes first antenna port 8 and the second antenna
Port 9, but these antenna port 8,9 is connected one and is same coherent
The various location of antenna element 16.Coherent by two antenna ports being connected to one
Antenna element, can more efficiently use Free Region.
Mainly, the present invention relates to subscriber terminal equipment 1,1 ', subscriber terminal equipment 1,1 '
Including first antenna device 2,2 ', second antenna assembly the 3, first radio link device 4 and
Second radio link device 5.First antenna device 2 includes having two multiband antenna ports
One or two multiband antenna, and the second antenna assembly 3 includes having two antenna ports
Poliarizing antenna element 12,13, the two antenna port has the most orthogonal polarization.
Poliarizing antenna element need not have high efficiency；Contradictory design emphasis will be just to maximize polarization
The property handed over.Subscriber terminal equipment is being made due to the high dependency between multiband antenna port
1, the 1 ' signal intensity having had but for interference-limited and order be low in the case of, user is eventually
End equipment 1,1 ' is arranged to be switched to have two skies of cross polarization from these antenna port
Line cap.
The invention is not restricted to example above, but can be in scope of the appended claims
The most freely change.Such as, subscriber terminal equipment 1 can be by any kind of movement
Phone, flat board, kneetop computer etc. are constituted.
Poliarizing antenna element needs not be dipole antenna, but should have desired, make
Must be polarized the ratio that P1, P2 at least one direction can be mutually orthogonal.As polarization sky
The example of the desired ratio of kind of thread elements 12,13, each length L1, L2 are beyond relatively
Width W1, the W2 at least 5 times answered.
Antenna 16 or the antenna 6,7 of first antenna device 2,2 ' can be any suitable type
Multiband antenna.
All of antenna can be etched on circuit boards, or can have the parts of separation
Form.
Switching equipment can have any suitable kind, and such as they can include PIN bis-
Pole is managed.Radio link device can have any suitable design and set at user terminal
Standby middle use.Measurement, switching equipment 4,5 and other functions can be by one or more institutes
State control unit 17 to control.
Those that merely depict the user terminal 1,1 ' that is considered for explaining the present invention are correlated with
Part, every other part is considered to be apparent to a skilled reader.
The most orthogonal etc term does not means that within a context and is construed as at mathematics
Upper accurate, but actual obtainable.
Claims (14)
1. a subscriber terminal equipment (1,1 '), including first antenna device (2,2 '),
Second antenna assembly (3), the first radio link device (4) and the second radio link dress
Put (5), wherein said first antenna device (2) at least include first antenna element (6,
7；16), first antenna port (8) and the second antenna port (9), it is characterised in that
Described second antenna assembly (3) include third antenna port (10), the 4th antenna port (11),
It is arranged to send via described third antenna port (10) with the first polarization (P1) and/or connect
Collect mail number the first poliarizing antenna element (12) and be arranged to via described 4th antenna
Port (11) sends and/or receives the second poliarizing antenna unit of signal with the second polarization (P2)
Part (13), wherein said polarization (P1, P2) is the most mutually orthogonal,
And wherein said subscriber terminal equipment (1,1 ') also include the first switching equipment (14) and
Second switching equipment (15), wherein said first switching equipment (14) is arranged to institute
State the first radio link device (4) and described first antenna port (8) or described 3rd day
Line cap (10) connect, and wherein said second switching equipment (15) be arranged to by
Described second radio link device (5) and described second antenna port (9) or the described 4th
Antenna port (11) connects.
Subscriber terminal equipment the most according to claim 1, it is characterised in that described
One poliarizing antenna element (12) have the first length (L1) and with described first length (L1)
Orthogonal the first width (W1), and described second poliarizing antenna element (13) has
Two length (L2) and second width (W2) orthogonal with described second length (L2), its
Described in the first length (L1) orthogonal and the most each with described second length (L2)
Length (L1, L2) exceedes corresponding width (W1, W2) at least 5 times.
3. according to the subscriber terminal equipment according to any one of claim 1 or 2, its feature
It is, described first poliarizing antenna element (12) and described second poliarizing antenna element (13)
There is the form of dipole antenna.
4., according to subscriber terminal equipment in any one of the preceding claims wherein, its feature exists
In, described first poliarizing antenna element (12) and described second poliarizing antenna element (13)
It is in common plane, and wherein said polarization (P1, P2) is mutually orthogonal, be perpendicular to
Described common plane.
5., according to subscriber terminal equipment in any one of the preceding claims wherein, its feature exists
In, that frequency band or that carrying out operating it is arranged at described subscriber terminal equipment (1,1 ')
In a little frequency bands, with signal via described first antenna port (8) and described second antenna port
(9) those polarization being sent and/or receiving are compared, and signal is via described third antenna end
Mouthful (10) and described 4th antenna port (11) and the described polarization that sent and/or receive
(P1, P2) has higher averaged orthogonality degree for all propagation angle.
6., according to subscriber terminal equipment in any one of the preceding claims wherein, its feature exists
In, in described subscriber terminal equipment is arranged that frequency band or those frequency bands carrying out operating,
Any one with described third antenna port (10) and described 4th antenna port (11)
Individual port is compared, in described first antenna port (8) and described second antenna port (9)
Any one port present higher efficiency degree.
7., according to subscriber terminal equipment in any one of the preceding claims wherein, its feature exists
In, depend on measured signal level, measured noise level, measured interference
Level and be known a priori by be connected to corresponding radio link device (4,5)
Those antenna ports (8,10；9,11) relation between the efficiency degree at place, described
All exchange devices (14) and described second switching equipment (15) are arranged to corresponding nothing
Line current source device (4,5) is connected to the antenna port (8,10 of correspondence；9,11).
Subscriber terminal equipment the most according to claim 5, it is characterised in that described
All exchange devices (14) are arranged to: when measured by described first antenna port (8) place
Interference level and noise level between relation when exceeding first threshold, from by described first
Radio link device (4) is connected with described first antenna port (8) and is switched to described
One radio link device (4) is connected with described third antenna port (10), and its feature
Being, described second switching equipment (15) is arranged to: when at described second antenna port
(9) when the relation between interference level and the noise level measured by place exceedes Second Threshold,
Cut from described second radio link device (5) is connected with described second antenna port (9)
Change to be connected described second radio link device (5) with described 4th antenna port (11).
9. according to the subscriber terminal equipment according to any one of claim 5 or 6, its feature
Being, described first switching equipment is arranged to: when described third antenna port (10)
The relation between interference level and noise level measured by place drops below the 3rd threshold value
Time, from by described first radio link device (4) with described third antenna port (10) even
Connect and be switched to described first radio link device (4) and described first antenna port (8)
Connecting, and it is characterized in that, described second switching equipment (15) is arranged to: when
The pass between interference level and noise level measured by described 4th antenna port (11) place
System is when dropping below four threshold values, from by described second radio link device (5) with described
4th antenna port (11) connection is switched to described second radio link device (5) and institute
State the second antenna port (9) to connect.
10. one kind is used for subscriber terminal equipment (1,1 ') is adapted to detected communication special
The method of property, it is characterised in that said method comprising the steps of:
By the first radio link device (4) and first antenna port (8) or third antenna end
Mouth (10) connects；And
By the second radio link device (5) and the second antenna port (9) or the 4th antenna end
Mouth (11) connects；
Wherein said first antenna port (8) and described second antenna port (9) are used in
First antenna device (2) place at described subscriber terminal equipment (1,1 ') place, and wherein institute
State third antenna port (10) and described 4th antenna port (11) is used in described user
Second antenna assembly (3) place at terminal unit (1,1 ') place, wherein said second day traditional thread binding
Put (3) and there is the first poliarizing antenna element (12) and the second poliarizing antenna element (13),
Described first poliarizing antenna element (12) for via described third antenna port (10) with
First polarization (P1) sends and/or receives signal, described second poliarizing antenna element (13)
For sending via described 4th antenna port (11) with the second polarization (P2) and/or receive
Signal, wherein said polarization (P1, P2) is mutually orthogonal at least one direction.
11. methods according to claim 10, it is characterised in that described method includes
Following steps: depend on measured signal level, measured noise level, measured
Interference level and be known a priori by be connected to corresponding radio link device (4,
5) those antenna ports (8,10；9,11) relation between the efficiency degree at place, will
Corresponding radio link device (4,5) is connected to the antenna port (8,10 of correspondence；9,
11)。
12. methods according to claim 11, it is characterised in that described method includes
Following steps: when at the interference level measured by described first antenna port (8) place and noise
When relation between level exceedes first threshold, from by described first radio link device (4)
It is connected with described first antenna port (8) and is switched to described first radio link device (4)
It is connected with described third antenna port (10), and comprises the following steps: when described
The relation between interference level and noise level measured by two antenna ports (9) place is more than
During two threshold values, from by described second radio link device (5) and described second antenna port (9)
Connect and be switched to described second radio link device (5) and described 4th antenna port (11)
Connect.
13. according to the method according to any one of claim 10 or 11, it is characterised in that
Described method includes step: when in the interference measured by described third antenna port (10) place
When relation between level and noise level drops below three threshold values, from by described first
Radio link device (4) is connected with described third antenna port (10) and is switched to described
One radio link device (4) is connected with described first antenna port (8), and includes step
Rapid: when in the interference level measured by described 4th antenna port (11) place and noise level
Between relation when dropping below four threshold values, from by described second radio link device (5)
It is connected with described 4th antenna port (11) and is switched to described second radio link device (5)
It is connected with described second antenna port (9).
14. according to the method according to any one of claim 12 or 13, it is characterised in that
Described threshold value is to use the efficiency degree being known a priori by be determined.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2014/052606 WO2015120877A1 (en) | 2014-02-11 | 2014-02-11 | A user terminal device for interference limited scenarios |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105981216A true CN105981216A (en) | 2016-09-28 |
| CN105981216B CN105981216B (en) | 2019-08-06 |
Family
ID=50097670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480075274.5A Active CN105981216B (en) | 2014-02-11 | 2014-02-11 | Subscriber terminal equipment for interference-limited scene |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9935723B2 (en) |
| EP (1) | EP3105816B1 (en) |
| CN (1) | CN105981216B (en) |
| WO (1) | WO2015120877A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10601491B2 (en) * | 2017-12-15 | 2020-03-24 | Google Llc | Performance-based antenna selection for user devices |
| TWI734061B (en) * | 2018-12-19 | 2021-07-21 | 華碩電腦股份有限公司 | Multi-antenna system and electronic device thereof |
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- 2014-02-11 WO PCT/EP2014/052606 patent/WO2015120877A1/en active Application Filing
- 2014-02-11 EP EP14704122.2A patent/EP3105816B1/en active Active
- 2014-02-11 CN CN201480075274.5A patent/CN105981216B/en active Active
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| EP1148584A2 (en) * | 2000-03-30 | 2001-10-24 | Sony Corporation | Radio communication apparatus and radio communication method |
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Also Published As
| Publication number | Publication date |
|---|---|
| US9935723B2 (en) | 2018-04-03 |
| EP3105816B1 (en) | 2019-10-23 |
| US20170012722A1 (en) | 2017-01-12 |
| CN105981216B (en) | 2019-08-06 |
| EP3105816A1 (en) | 2016-12-21 |
| WO2015120877A1 (en) | 2015-08-20 |
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